Home / 8,821.18-13,229.08-3,554.49

Finding the Fourth Proportional to 8,821.18, 13,229.08 and 3,554.49

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Solution

The fourth proportional to 8,821.18, 13,229.08 and 3,554.49 is: 5,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.18 : 13,229.08 = 3,554.49 : x
  2. Step 2: Convert to fraction form
    8,821.18/13,229.08 = 3,554.49/x
  3. Step 3: Cross multiply
    8,821.18x = 13,229.08 × 3,554.49
  4. Step 4: Simplify right side
    8,821.18x = 47,022,632.57
  5. Step 5: Solve for x
    x = 47,022,632.57/8,821.18
  6. Step 6: Final answer
    x = 5,330.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.